29个草莓品种对灰霉病的抗性评价及叶片生理指标差异
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S668.4

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河北农业大学大学生创新创业训练计划项目(2019261);保定市满城区草莓优势特色产业项目(20200830);国家特色蔬菜产业技术体系(CARS-24-G-03)


Resistance Evaluation of 29 Strawberry Varieties to Gray Mold and Differences of Leaf Physiological Indexes
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    摘要:

    本研究通过室内盆栽、室内叶盘和田间小区试验测定了河北省29个优势草莓品种对灰霉病的抗性差异,采用分光光度法测定了不同抗性草莓品种叶片生理指标并分析其与抗性关系。结果表明,在29个草莓品种中,对灰霉病表现高抗、中抗、中感和高感的依次为5、14、6、4个品种,各占总数的13.8%、51.7%、20.7%和13.8%,代表品种依次是硕丰、明宝、红颜和美香莎。高抗品种硕丰、甜查理、明宝第一穗果收获期灰霉病病情指数分别仅为7.32、7.75和11.38,比对照感病品种红颜低61%以上。甜查理和硕丰草莓产量分别高达36 187 kg/hm2和35 340 kg/hm2。接种灰葡萄孢后,抗性品种叶片总酚、类黄酮和可溶性蛋白含量均显著高于感病品种,而叶绿素含量和叶片含水量与抗病性无显著相关性。

    Abstract:

    The yield and quality of strawberry are seriously affected by gray mold.In this study,the resistance of 29 dominant strawberry varieties in Hebei Province to gray mold was determined by indoor potted plants,indoor leaf discs and field plots experiments.The leaf physiological indexes of different resistant strawberry varieties were deter-mined by spectrophotometry method,and the relationship between the resistance and physiological indexes were analyzed.The results showed that among the 29 strawberry varieties,5,14,6 and 4 varieties were highly resistant,moderately resistant,moderately sensitive and highly sensitive to gray mold,respectively,accounting for 13.8%,51.7%,20.7% and 13.8% of the total.The represented varieties were Shuofeng,Mingbao,Hongyan and Meixiangsha.And whose disease index of gray mold at the first spike fruit harvest stage was only 7.32,7.75 and 11.38,respectively,which was more than 61% lower than that of Hongyan,a susceptible variety.The yields of Sweet Charlie and Shuofeng were as high as 36,187 kg/ha and 35,340 kg/ha,respectively.After inoculation with Botrytis cinerea,the contents of total phenolics,flavonoids and soluble protein in the leaves of the resistant varieties were significantly higher than those in susceptible varieties,but there was no significant correlation between the content of chlorophyll and disease resistance,as well as the water content in leaves.

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付羽佳,白晶晶,孙丹丹,贾薇,孙雅如,郭芳睿,王倩,马可,齐永志,甄文超.29个草莓品种对灰霉病的抗性评价及叶片生理指标差异[J].东北农业科学,2022,47(2):82-87.

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  • 收稿日期:2019-11-05
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  • 在线发布日期: 2024-11-09
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